back to those concerns that the violence could spread to the united states. why are they voicing concerns that that could happen? >> there is worry that the violence we've seen in places like yemen could inspire extremist groups to take action right here at home and the f.b.i., dhs bulletin published today makes continual reference to anti-american sentiment stirred up by that anti-islamic movie that is doing the rounds on the internet right now. part of the bulletin, in fact, says, quote, the risk of violence could increase both at home and abroad as the film continues to gain attention. it goes on to say, first responders should remain aware of the potential for spontaneous large crowds and protests that could overwhelm resources and should be vigilant for possible efforts to encourage peaceful protesters to commit acts of violence. this same bulletin also warned all faith-based organizations, be that faith jewish, islamic, christian, or anything else, to be on the lookout for any suspicious activity around the houses of worship and report it if they see it